This is a 5V 4-Channel Relay interface board, Be able to control various appliances, and other equipments with large current. It can be controlled directly by Micro-controller (Raspberry Pi, Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic)
- 1. Maximum load :AC 250V/10A, DC30V/10A
- 2. SMD optocoupler isolation, strong driving ability, stable performance; trigger current 5mA
- 3. the module voltage 5V
- 4. each channel module can be set high or low triggered by jumper
- 5. fault-tolerant design, even if the control line is broken, the relay will not operate
- 6. power indicator (green), 4 relay state indicator (red)
- 7. interface design user-friendly, all interfaces are available through the wiring terminal direct connection leads, very convenient
- 1. DC+: DC power supply positive
- 2. DC-: DC power supply negative
- 3. IN1: Channel 1 signal trigger terminal
- 4. IN2: Channel 2 signal trigger terminal
- 5. IN3 : Channel 3 signal trigger terminal
- 6. IN4: Channel 4 signal trigger terminal
- 1. NC1: Channel 1 relay normally closed pin.
- 2. COM1: Channel 1 relay common pin.
- 3. NO1: Channel 1 relay normally opened pin.
- 4. NC2: Channel 2 relay normally closed pin.
- 5. COM2: Channel 2 relay common pin.
- 6. NO2: Channel 2 relay normally opened pin.
- 7. NC3 : Channel 2 relay normally closed pin.
- 8. COM3: Channel 2 relay common pin.
- 9. NO3: Channel 2 relay normally opened pin.
- 10. NC4 : Channel 2 relay normally closed pin.
- 11. COM4: Channel 2 relay common pin.
- 12. NO4: Channel 2 relay normally opened pin.
High And Low Level Trigger Option:
- 1. S1: It is option switch for channel 1 relay.
- 2. S2: It is option switch for channel 2 relay.
- 3. S3 : It is option switch for channel 3 relay.
- 4. S4: It is option switch for channel 4 relay
1 x 4 Channel Relay 5V Red Color Relay Module
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